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Standard-Software : Kriterien und Methoden zur Beurteilung und Auswahl von Software-Produkten
Frank, Joachim, (1977)
Acquiring enterprise software : beating the vendors at their own game
Verville, Jacques C., (2001)
Selecting and installing software packages : new methodology for corporate implementation
Breslin, Jud, (1986)
Best not have a dispute
Dilloway, Cliff, (1994)